CN102278361A

CN102278361A - Articulating structure

Info

Publication number: CN102278361A
Application number: CN2010102081575A
Authority: CN
Inventors: 卢·安德鲁·启安
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-06-12
Filing date: 2010-06-12
Publication date: 2011-12-14

Abstract

The invention relates to an articulating structure consisting of an articulated shaft and two articulating bodies, wherein one articulating body is a rack-meshed type articulated shaft and can move corresponding to the other articulating body with the articulated shaft. An articulated shaft hole of an articulating component is a long hole, a long side of the long hole is provided with a long rack, and a parallel slide rail is arranged outside two long sides of the long hole; the articulated shaft is provided with two back-to-back parallel planes, and all or part of one plane is a short rack matched with the long rack; by means of an interval of the two parallel planes, the long rack and the short rack after not meshed can relatively move, but not rotate when the articulated shaft is penetrated in the long hole; and a circular boss corresponding to the articulated shaft hole is arranged on the surface of the other articulating component, the outer diameter of the circular boss is matched with the interval of the parallel slide rail, a part of the circular boss is cut off to form a plane, and an included angle between the plane and the parallel slide rail is equal to 0 when an included angle between the two articulating components is equal to a certain angle. The articulating structure disclosed by the invention does not generate a situation that the racks are not meshed in a working state, thus the safety is ensured, the matching precision of each component is reduced and the economic usefulness is improved. The articulating structure disclosed by the invention can be applied to water pump pliers and adjustable wrenches.

Description

A kind of hinging structure

Technical field

The present invention relates to a kind of hinging structure that constitutes by two articulated bodies and a hinging shaft, especially relate to a kind of hinging shaft and articulated body and be the hinging structure that tooth bar engagement pattern hinging shaft can move relative to an articulated body.

Background technique

Generally speaking, the hinging structure that constitutes by two articulated bodies and a hinging shaft, relative two articulated elementss of its hinging shaft are that work or off working state all only relatively rotate, but under certain conditions, need when off working state, hinging shaft be moved relative to an articulated body, relative fixed can only be rotated and can not be moved again afterwards, and for example water pump pliers and Flexible spanner hand vice can utilize the position of adjusting hinging shaft to adjust the initial extended distance of two jaws like this.

Existing water pump pliers structure with this function has several, but with the engagement pattern mechanism of the tooth bar better clamp ability that is easy to get.Existing hinging shaft and articulated elements adopt the deficiency of the articulated mechanism of tooth bar mesh form to be that its part is many and structure is thin, perhaps parts quality of fit height, be not durable so cost is high, the various performances that three parts of more traditional pliers constitute whole pincers differ greatly.Particularly lateral sliding cooperates tooth to divide the mechanism of meshing pattern, and there is safety problem in its structure, if when the tooth separating component is depressed because of collision when using, therefore pincers lose clamp power suddenly and make the user produce danger.

Summary of the invention

Purpose of the present invention just provides a kind of tooth bar disengaging occlusion condition that can not produce down in working order and guarantees usage safety performance, and reduces the hinging structure of the quality of fit raising economic and practical of each parts.

Realize above-mentioned purpose, the technical solution adopted in the present invention is:

A kind of hinging structure comprises two articulated bodies and the hinging shaft that have hinged axis hole separately, and two articulated bodies are hinged by hinging shaft, it is characterized in that:

Hinged axis hole on the described articulated elements is an elongated hole, and a long limit of described elongated hole is long tooth bar, is provided with parallel slide rail outside the two long limits of described elongated hole; Described hinging shaft axle body be provided with two back to parallel plane, the all or part of of one of them plane is the short tooth bar that cooperates with described long tooth bar, described two back to plane-parallel spacing should make: can relatively move after described long and short tooth bar breaks away from engagement in described elongated hole when described hinging shaft but can not rotate; One surface of described another articulated elements is provided with the round boss corresponding to hinged axis hole, the external diameter of described round boss cooperates described parallel sliding track spacing, the edge of described round boss is pruned one, and the angle of described plane and described parallel sliding track is: be 0 when the angle between described two articulated elementss is some set angles.

Described elongated hole is located at one to have in the long recess on two parallel long limits, and two parallel long limits of long recess constitute described parallel sliding track.

The pruned round boss edge at positive opposing side place on plane of an arc formation of described round boss is provided with the separation apical tooth.

The pruned side on plane of an arc formation and the junction surface of round boss cylndrical surface of described round boss is the involute cambered surface.

Hinged axis hole on the described articulated elements is the elongated hole along the articulated elements length direction.

It is arc that the quilt at described round boss edge is cut piece, and round boss is cut the piece place and formed the plane; Or being cut piece is the convex piece, and round boss is cut the piece place and formed concave surface, and its two convex edge forms the plane.

Described round boss can be to be made of more piece arc raised line.

Under these conditions, described round boss can only rotate in two parallel sliding tracks or slide, and under pincers tooth and condition that the axle tooth separates, hinging shaft has played the effect of adjusting jaw size along the slip of two parallel sliding tracks.When the articulated elements under round boss is followed turns to necessarily bigger set angle, plane set on the round boss is parallel with two parallel sliding tracks, round boss plane and two parallel sliding tracks wherein produce the space between a parallel sliding track, as long as between hinging shaft and elongated hole, be provided with its corresponding gap, hinging shaft can move in vertical direction with two parallel sliding tracks under the drive of round boss.And this moving played tooth branch and the meshing effect of articulated elements tooth with the axle tooth.

On articulated elements, be provided with round boss and with two mechanisms that parallel sliding track constituted, it is round boss parallel sliding track mechanism, and between the elongated hole of hinging shaft and another articulated elements, be provided with space with clutch function, it is emphasis of the present invention, the mechanism that the adjustment slip elongated hole of tooth bar that itself and pair of matched are closed and hinging shaft is constituted is exactly the hinging shaft position adjusting mechanism of tooth engagement of the present invention.

Beneficial effect is: the present invention is simple in structure, on the basis of traditional list to the tooth engaging mechanism, innovation ground is provided with the space with clutch function between the microscler hole wall of hinging shaft and articulated elements, and organically integrated round boss parallel sliding track mechanism, constituted the hinging shaft position adjusting mechanism of novel mechanism----the tooth engagement that has four kinds of functions simultaneously.

One, the functional entity of hinging shaft location: by the cylndrical surface of the tooth bar of engagement, round boss and two the parallel sliding track face is tangent forms.

Its two, length tooth bar clutch mechanism: form by the plane of space between hinging shaft and the elongated hole and round boss and the face of a parallel sliding track.

Its three, the adjustment slide mechanism of hinging shaft is formed separately or simultaneously by the mechanism that hole wall constituted of the adjustment slip elongated hole of round boss plane and parallel sliding track face and hinging shaft and hinging shaft.

Its four, the relative slip of the circular arc of round boss and parallel sliding track face is rotated the mechanism that is constituted and is formed.It has born the moment of flexure active force of hinging shaft effectively.And remedied set space between the adjustment slip elongated hole of hinging shaft and hinging shaft effectively and the shortcoming that forms with clutch function.

As seen comprehensive above-mentioned, each functional entity coexists, and some functional entity is complementary separately, and entire mechanism exists rationality and integrity.

Each parts of above-mentioned mechanism are to become organic unifiedly whole and constitute same part with articulated elements, and thus, the hinging shaft position adjusting mechanism of utilization tooth engagement is that three bare bones then can constitute a kind of hinging structure and created condition.

The desired quality of fit of parts of the present invention is not high, and simple and compact for structure and firm, and its advantage is self-evident, for its application has brought real economic use value.

The present invention is a kind of hinging shaft with articulated body is the hinging structure that tooth bar engagement pattern hinging shaft can move relative to an articulated body, and it can be applied on the instrument of various ways, for example water pump pliers etc.

Description of drawings

The present invention is described in further detail below in conjunction with the drawings and specific embodiments.

Fig. 1 looks schematic representation for master of the present invention;

Fig. 2 is the A-A line cross-sectional schematic along Fig. 1;

Fig. 3 is the B-B line cross-sectional schematic along Fig. 2;

Fig. 4 equals 85 schematic representation when spending for the angle between two articulated elementss of Fig. 1;

Fig. 5 equals 85 schematic representation when spending for the angle between two articulated elementss of Fig. 2;

Fig. 6 is the articulated elements part schematic representation that has elongated hole;

Fig. 7 is the C-C line cross-sectional schematic along Fig. 6;

Fig. 8 is a hinging shaft cross-sectional schematic of the present invention;

Fig. 9 is the D-D line cross-sectional schematic along Fig. 8;

Figure 10 is the articulated elements part cross-sectional schematic that does not have elongated hole;

Figure 11 is the worm's eye view of Figure 10;

Figure 12 is the schematic cross-section of second kind of round boss;

Figure 13 is the schematic representation of the third round boss.

Embodiment

Extremely shown in Figure 11 as Fig. 1, hinging shaft of the present invention and articulated body are the hinging structure embodiment that tooth bar engagement pattern hinging shaft can move relative to an articulated body, it is a water pump pliers, it comprises that two articulated

bodies

10,20 and a hinging shaft 30, two articulated bodies that have hinged axis hole separately are hinged by hinging shaft.

Referring to Fig. 6 and Fig. 7, hinged axis hole on the articulated elements 10 is the elongated hole 101 along the articulated elements length direction, one long limit of elongated hole 101 is long tooth bar 102, elongated hole is located at one to have in the long recess on two parallel long limits, two parallel long limits constitute parallel sliding track, are provided with parallel slide rail 103,104 outside the two long limits of elongated hole.

Referring to Fig. 8 and Fig. 9, hinging shaft 30 be processed with two back to parallel plane, the part on one of them plane is the short tooth bar 301 that cooperates with the said long tooth bar 102 in front, two back to plane-parallel spacing should make: when hinging shaft is through elongated hole 101, the length tooth bar breaks away from and can relatively move after the engagement but can not rotate, and also promptly leaves long and short tooth bar and breaks away from the needed space of engagement.

On another articulated elements 20, be provided with circular axis hole 201 referring to Figure 10 and Figure 11, constitute rotatable being equipped with hinging shaft 30, during articulated elements 20 hinged on the relative surface of contact with articulated elements 10, be provided with round boss 202 corresponding to hinged axis hole, the external diameter of round boss cooperates the spacing of parallel sliding track 103,104, in addition, round boss is pruned one arc forms plane 203, and the angle of plane 203 and parallel sliding track is: when certain set angle in 60 to 90 degree scopes of the angle between two articulated elementss is 0.

Under normal state, the position that the short tooth bar 301 of hinging shaft 30 and the long tooth bar 102 of articulated elements 10, round boss 202 and parallel sliding track 103,104 are limiting hinging shaft 30 jointly, articulated elements 20 rotates around hinging shaft 30.

Be provided with to eject and separate apical tooth 204 at the pruned positive opposing side place on plane 203 of an arc formation of round boss 202, plane 203 a side and the junction surface of the cylndrical surface of round boss be involute cambered surface 205.

In this concrete embodiment who uses, functional entity has following four kinds:

The first, tooth separates the top from gear mechanism, serves as by being arranged on the tooth components of protruding on the round boss exterior arc surface 204.Its function is: when articulated elements rotates to the default tooth separation angle of designing requirement, tooth separates the top and from tooth hinging shaft is automatically pushed up position from its place, make tooth bar separate, and guarantee hinging shaft in the slip adjustment process, the tooth on its tooth and the articulated elements is in separated state.

The second, meshing progressive mechanism is served as by the cambered surface 205 by involute constituted that is arranged on the round boss exterior arc surface.Its function is: postpone the tooth bar geared speed, guarantee that the engagement of tooth is smooth.

Referring to Fig. 5, the initial openings of adjusting the water pump pliers jaw apart from the time, articulated elements 20 is rotated to default separation angle, separate apical tooth 204 under the effect of parallel sliding track 103, hinging shaft 30 is ejected, make long tooth bar 102 separate with short tooth bar 301, hinging shaft 30 can slide in elongated hole 101, when being adjusted to the desired position, articulated elements 20 is circled round, in meshing progressive cambered surface 205 and parallel sliding track 104 engaging processes, hinging shaft 30 is back into meshing position gradually, hinging shaft 30 is fixed, and water pump pliers is replied normal clamp functional status, sees Fig. 4.

Round boss of the present invention can have various ways, is second kind of round boss as Figure 12, and the quilt at its edge is cut piece for being the convex piece, and round boss is cut the piece place and formed concave surface.

Figure 13 is the third round boss, is made of more piece arc raised line, and its two convex edge forms the plane.

Claims

1. a hinging structure comprises two articulated bodies and the hinging shaft that have hinged axis hole separately, and two articulated bodies are hinged by hinging shaft, it is characterized in that:

Hinged axis hole on the described articulated elements is an elongated hole, and a long limit of described elongated hole is long tooth bar, is provided with parallel slide rail outside the two long limits of described elongated hole; Described hinging shaft axle body be provided with two back to parallel plane, the all or part of of one of them plane is the short tooth bar that cooperates with described long tooth bar, described two back to plane-parallel spacing should make: can relatively move after described long and short tooth bar breaks away from engagement in described elongated hole when described hinging shaft but can not rotate; One surface of described another articulated elements is provided with the round boss corresponding to hinged axis hole, the external diameter of described round boss cooperates described parallel sliding track spacing, being pruned one in the edge of described round boss forms a plane, and the angle of described plane and described parallel sliding track is: be 0 when the angle between described two articulated elementss is some set angles.

2. hinging structure according to claim 1 is characterized in that: described elongated hole is located at one to have in the long recess on two parallel long limits, and two parallel long limits of long recess constitute described parallel sliding track.

3. hinging structure according to claim 1 and 2 is characterized in that: the pruned round boss edge at positive opposing side place on plane of an arc formation of described round boss is provided with the separation apical tooth.

4. hinging structure according to claim 3 is characterized in that: the pruned side on plane of an arc formation and the junction surface of round boss cylndrical surface of described round boss is the involute cambered surface.

5. hinging structure according to claim 1 is characterized in that: the hinged axis hole on the described articulated elements is the elongated hole along the articulated elements length direction.

6. hinging structure according to claim 1 is characterized in that: it is arc that the quilt at described round boss edge is cut piece, and round boss is cut the piece place and formed the plane; Or being cut piece is the convex piece, and round boss is cut the piece place and formed concave surface, and its two convex edge forms the plane.

7. hinging structure according to claim 1 is characterized in that: described round boss can be to be made of more piece arc raised line.